Semitecolo, Leonardo, 1750 c.
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden Arrow right Arrow left
Basic Info

Maker: Semitecolo, Leonardo

Year: 1750 c.

Year Range: -

Year Notes:

Manufacturing Location: Italy (assumed)

Signature: LEONARDO SEMITECOLO

Signature Notes:

Inscriptions:

No stand present.

Collection: Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden

Accession #: CIF 48

Sources:

Helmut Schramm, Astronomische Instrumente Katalogue, Staatlicher Mathematisch-Physikalischer Salon, Dresden, Zwinger, item 4, pg. 14.

Public Notes:

Three draw-tubes. All tubes of paper. Objective draw-tube has cover with gold-leaf ornamentation. Inner tubes with covers of white parchment. Tube end-rings of horn. Objective and ocular diaphragms of brass. Magnification 9x.

Length (open): 650

Length (closed): 247

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style terrestrial

Physical style spyglass

Functional style

Materials:

Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

CA curvature (diopters): CB curvature (diopters): PD lens power (diopters): fD focal length (mm): t thickness (mm): free aperture (mm): full aperture (mm): nD refractive index: ν Abbe No.:
Lens 1 364.00 15.00

Eyepieces

Notes: